Sennheiser MX W1 Headphones Are Ultimate Wireless Earbuds

Most wireless headphones rely on Bluetooth, which is built for transferring high-speed data, not high-quality audio. The cable-free Sennheiser MX W1 Headphones ($600) use a wireless transmitter that plugs directly into an MP3 player's headphone jack to beam uncompressed sound to earring-size earbuds.

Our favorite feature: The carrying case doubles as a charger, able to stow enough juice to replenish the headphones and transmitter three times without plugging in. Now that's wireless. sennheiser.com